Double-Lok
Double-Lok
This document provides comprehensive technical installation information for the Double-Lok® Roofing System by MBCI. It includes specifications, procedures, and recommendations for installation, emphasizing adherence to the latest building codes and industry practices. The document also notes that MBCI reserves the right to modify product specifications without prior notice.
Installers are advised to thoroughly read the manual before beginning installation. Each panel and accessory must be inspected for quality, and any discrepancies should be reported to MBCI immediately. In case of conflicts between project drawings and the manual, the project drawings take precedence.
MBCI designs its roofs to meet load requirements, including snow loads, but disclaims responsibility for issues arising from ice dams. Recommendations to mitigate ice dam effects include using field-seamed panels, eliminating cold eave overhangs, ensuring proper insulation and heat distribution, and considering self-regulating heating cables.
The document provides engineering data for design professionals, recommending the use of the North American Specification for Cold-Formed Steel Structural Members and applicable building codes to determine environmental loads.
The document is structured into sections covering features and benefits, engineering guidelines, specifications for metal roofing, general information, and detailed erection sequences. It also includes special erection techniques and design details.
This section includes a general description, product checklist, preparatory requirements, and guidelines for unloading, handling, and panel storage.
The document outlines a step-by-step erection sequence for the roofing system, detailing each stage from rake support to the installation of the last panel run and outside closure.
Recommendations for erection practices, installation of light-transmitting panels, ridge ventilators, and roof curb installations are provided.
Design details include trim details for eaves, ridges, floating peak boxes, and rakes, providing comprehensive guidance for the installation process.
The Double-Lok® roofing system is designed for durability and flexibility, featuring a mechanically seamed system that reduces leakage risks. It accommodates thermal expansion and contraction with floating panels and sliding clips.
- Design Integrity: The system starts and ends in the high, minimizing leakage risks.
- Floating Roof: Allows for thermal movement.
- Sliding Clips: Available in 2" and 4" versions for different movement capacities.
- UL 90 Rating: Offers multiple construction options with UL 90 certification.
- Factory Mutual Approval: Tested for wind uplift, fire, and hail damage.
- Fire Resistance: Carries a UL "Class A" Fire Rating.
- Simplicity and Flexibility: Easy installation without batten caps, allowing for flexible construction sequences.
- Durability: Made from Galvalume Plus® for quality assurance.
- Color and Finishes: Available in various colors and paint systems.
Sound attenuation is necessary to prevent roof noise. A vapor retarder may be required in high humidity environments. Thermal calculations are essential to ensure the roof's thermal movement does not exceed the clip's capacity.
- Sound attenuation and vapor retarders may be necessary depending on environmental conditions.
- Thermal spacers are recommended for certain insulation thicknesses to prevent condensation and maintain panel module integrity.
- UL and Factory Mutual testing ensure compliance with safety and performance standards.
- ICBO and Florida Building Code approvals confirm adherence to regional building codes.
Detailed engineering data, including section properties and allowable uniform loads, are provided for design professionals. The data is based on the North American Specification for Cold-Formed Steel Structural Members.
- General Description: The document outlines the requirements for furnishing labor, materials, tools, and services for preformed roofing, ensuring coordination with other trades, and installing necessary supplementary items.
- Quality Assurance: Adherence to standards such as SMACNA, AISC, AISI, ASTM, and UL is required. Manufacturer and installer qualifications are specified, including experience and certification requirements.
- System Performance Requirements: The metal roof system must undergo testing for uplift resistance, impact resistance, air infiltration, and water penetration according to specified ASTM and UL standards.
- Double-Lok® Panel Properties: The document provides section properties for negative and positive bending for 24 and 22 gauge panels, including weight, deflection, bending, and allowable bending moment.
- Allowable Loads: Tables detail allowable uniform loads for different span types and gauges, emphasizing that these loads are not for wind uplift design.
- Use only manufacturer-provided equipment and accessories to avoid damage and voiding warranties.
- Contact the manufacturer for the most current data as specifications are subject to change without notice.
- Panels and concealed anchor clips must support a minimum uniform live load of -20 psf.
- Design roof snow loads are specified in the contract drawings.
- Design wind uplift for the roof system is detailed in the contract drawings, with specific safety factors for fasteners.
- Roof panels must accommodate expansion and contraction due to temperature changes.
- Any changes to framing members must be reviewed and approved, adhering to specific design specifications.
- Includes shop drawings, performance tests, calculations, samples, warranties, test reports, and certifications.
- Guidelines for delivery, handling, and storage to prevent damage.
- Warranty terms for the roofing system, covering water intrusion and manufacturer liability.
- On-site inspections and final inspection by a technical representative are required.
- Specifications for metal roof system profile, style, gauge, substrate, clip, texture, finish, and color.
- Details on fasteners, closures, and accessories required for the metal roof system.
- Standard panel length and fabrication details for trim, flashing, and accessories.
- Specifications for curbs and supports, including material, height, and installation requirements.
- Prefabricated Roof Jacks: Options include EPDM, neoprene, or silicone molded rubber boots, each with specific temperature ranges and resistance to ozone and UV rays. Installation should avoid panel seams.
- Surface Conditions: Ensure prior work is complete and verify installation can proceed according to approved drawings and instructions. Address discrepancies before continuing.
- Installation: Metal roof systems must be installed to be weathertight and allow for expansion and contraction. Follow manufacturer’s instructions and ensure panels are plumb and level.
- Roof Curb Installation: Follow manufacturer’s guidelines for secure installation, allowing for thermal and structural movement.
- Cleaning and Protection: Remove debris, clean according to recommendations, and protect work until final acceptance. Repair any damage before acceptance.
- Double-Lok® Panels: Available in 24", 18", and 12" widths with various gauge options. Panels are pre-punched and come with factory-applied mastic.
- Clip and Plate Options: Various clips and plates are available for different structural needs, including sliding clips and eave plates.
- Accessories: Includes items like light transmitting panels, thermal spacers, and sealants, each with specific applications and requirements.
- Contact Information: Multiple locations across the U.S. are listed for customer support.
- Disclaimer: Specifications are subject to change without notice, and users should verify current information with MBCI.
The document provides detailed instructions for installing panel cap trims and related components in construction projects. It includes specifications for both low and high system eaves, with procedures for applications where wall panels are installed before or after the roof.
The document specifies the use of Fastener #14 for attaching box panel cap trims to eave struts, with two fasteners per 10' piece or three per 20' piece. It also details the use of Tri-Bead tape sealer and double-faced tape for sealing purposes.
- Low System Eave: Install box panel cap trim to the eave strut, ensuring it is tight against wall panels. Use Tri-Bead tape sealer and double-faced tape for sealing.
- High System Eave: Install high eave plates flush with wall panels and use Fastener #1 in prepunched slots. Apply Tri-Bead tape sealer and double-faced tape for sealing.
- Insulation: Roll out insulation from eave to peak, ensuring it does not interfere with the Tri-Bead tape sealer.
Ensure proper alignment and sealing to maintain panel module integrity. Use caution to prevent damage to panels and ensure the roof is kept clean of drill shavings to prevent rust.
- Do not step on panels at seams or ends until fully secured.
- Ensure fiberglass insulation does not interfere with sealing components.
- Maintain a 24" panel module during installation.
The document lists contact numbers for various locations for further assistance.
This document provides detailed instructions for the installation of roof panels, focusing on the alignment, fastening, and sealing processes to ensure proper assembly and water resistance. It includes specific steps for handling multiple panels, ridge installation, and subsequent runs.
The document outlines the use of Fastener #1E and Tri-Bead tape sealer for securing panels. It emphasizes the importance of aligning panel notches and using a back-up plate to maintain panel module integrity.
- Panel Installation: Align holes in upper and lower panels with the back-up plate, use an awl for alignment, and install fasteners in a specified sequence.
- Endlap Procedures: Ensure male legs do not separate by clamping the horizontal ledge and applying tape sealer over notched portions.
- Ridge Installation: Install a back-up plate and fasteners upslope to maintain modularity, and apply tape sealer across the male leg profile.
- Subsequent Runs: Apply tape sealer to prevent water infiltration, align panels at the eave, and install fasteners in a recommended sequence.
- Seaming Operation: Use a hand tool and electric seamer to crimp and fold seams, ensuring proper alignment and engagement.
- Ensure all panels are seamed at the end of each day to prevent separation by wind.
- Conduct a visual inspection of seams to verify proper formation.
- Use a safety cable with the seamer and adhere to power requirements to avoid motor damage.
- Do not walk on minor ribs to prevent damage.
- Ensure the seamer is supported during the last panel run to avoid damage.
For assistance, contact MBCI at 877-713-6224 ext. 28069.
The document provides detailed instructions for roof panel installation, emphasizing the importance of cleaning drill shavings daily to prevent rust. It outlines the procedure for terminating roof panels, especially in buildings with odd dimensions, by field cutting and bending panels to fit.
The sequence involves installing field-formed panels, using vice grips for temporary fastening, and employing variable termination trim for large dimensions. Specific steps are provided for installing outside closures and ridge flashing, including the use of Tri-Bead tape sealer and Fastener #1E.
Guidelines are given for correcting out-of-plane substructures using steel shims and ensuring panel alignment through measurement techniques. The document warns against contact with certain chemicals to maintain the Galvalume® warranty.
Instructions are provided for stretching or shrinking panel coverage using sliding clips and back-up plates, with a maximum adjustment limit of 1/2 inch.
Panel alignment straps are recommended for maintaining panel module alignment. The document also covers the installation of light transmitting panel trim, emphasizing compliance with safety regulations.
Details are provided for installing light transmitting panels, including the use of double-faced tape and specific fasteners. The document stresses the importance of compliance with safety regulations to prevent fall-through accidents.
This document provides detailed installation instructions for light transmitting panels (LTP) and ridge ventilators on metal roofs. It includes specifications, procedures, and safety recommendations to ensure compliance with regulations.
The document specifies the dimensions for openings at both the down slope and up slope ends of the purlin, with measurements of 7 inches and 4 inches respectively. It also details the nominal spacing of purlins and the required materials such as Tri-Bead tape sealant and urethane sealant.
- Light Transmitting Panels (LTP): The procedure involves removing metal and insulation, applying double-faced tape, and installing back-up plates and sealants. Specific steps include cutting and folding the vinyl vapor barrier, applying tape sealant, and securing the LTP with fasteners.
- Ridge Ventilator: Instructions include cutting the end cap for the appropriate roof pitch, applying Tri-Bead tape sealer, and securing the ventilator with fasteners. Special instructions are provided for continuous ventilators and the use of a Ridge Vent SSR Kit for standing seam roofs.
The document emphasizes the user's responsibility to comply with State, Federal, and OSHA regulations. It highlights the need for safety controls to prevent fall-through and cautions against stepping on LTP panels.
A list of contact numbers for various locations is provided for further assistance.
The document advises against using ridge ventilators on roofs over 200 feet in width or with certain slopes. It also specifies that only a 9-inch ridge ventilator can be used with the SSR system.
This document provides detailed instructions for the installation of roof components, specifically focusing on special erection techniques for metal roofing systems. The guidelines are effective as of February 15, 2012, and are subject to change. For the most current information, refer to the manufacturer's website.
- Vented Ridge Installation: This section outlines the components and fasteners required for installing a vented ridge. It includes specifications for fastener placement and the use of tape sealers to ensure a secure and weatherproof installation.
- Mid Slope Fixed Condition: Instructions are provided for installing panels in conditions where thermal movement exceeds the capabilities of standard panel clips. The section emphasizes the importance of allowing for thermal expansion and contraction.
- Roof Curb Installation: Detailed procedures for installing roof curbs on standing seam roof systems are provided. The document specifies the use of one-piece aluminum curbs and outlines the necessary support framing and sealing techniques to prevent water infiltration.
- Installing Curb with Roof: This section describes the process of installing curbs during roof installation, including the placement of tape sealers and the use of back-up plates for added support.
- Installing Curb After Roof Installation: Guidelines are provided for adding curbs to an existing roof. The section includes instructions for cutting roof panels and ensuring proper alignment and sealing of the curb.
- All installations must comply with State, Federal, and OSHA regulations, particularly concerning safety measures for light-transmitting panels.
- Thermal calculations are necessary to ensure that the roof's thermal movement does not exceed the design limits of the clips and special eave plates.
- Support framing must be accurately positioned to provide proper "endlap" conditions at both the upslope and downslope ends of the curb.
The document lists contact numbers for various locations across the United States for further assistance or inquiries regarding the installation techniques.
Catalog excerpts
Metal Roof and Wall Systems
Open the catalog to page 1
IMPORTANT NOTICE READ THIS MANUAL COMPLETELY PRIOR TO BEGINNING THE INSTALLATION OF THE Double-Lok® ROOFING SYSTEM. ALWAYS INSPECT EACH AND EVERY PANEL AND ALL ACCESSORIES BEFORE INSTALLATION. NEVER INSTALL ANY PRODUCT IF ITS QUALITY IS IN QUESTION. NOTIFY MBCI IMMEDIATELY IF ANY PRODUCT IS BELIEVED TO BE OUT OF TOLERANCE, SPECIFICATION OR HAS BEEN DAMAGED DURING SHIPMENT. IF THERE IS A CONFLICT BETWEEN PROJECT ERECTION DRAWINGS PROVIDED OR APPROVED BY THE MANUFACTURER AND DETAILS IN THIS MANUAL, PROJECT ERECTION DRAWINGS WILL TAKE PRECEDENCE. Ice Dam Disclaimer MBCI designs its standing seam...
Open the catalog to page 2
Houston, TX 877-713-6224 Adel, GA 888-446-6224 Atlanta, GA 877-512-6224 Atwater, CA 800-829-9324 Dallas, TX 800-653-6224 Indianapolis, IN 800-735-6224 Jackson, MS 800-622-4136 Lubbock, TX 800-758-6224 Memphis, TN 800-206-6224 Oklahoma City, OK 800-597-6224 Omaha, NE 800-458-6224 Phoenix, AZ 888-533-6224 Richmond, VA 800-729-6224 Rome, NY 800-559-6224 Salt Lake City, UT 800-874-2404 San Antonio, TX 800-598-6224 TABLE OF CONTENTS ROOFING SYSTEM Features And Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Open the catalog to page 3
Houston, TX 877-713-6224 Adel, GA 888-446-6224 Atlanta, GA 877-512-6224 Atwater, CA 800-829-9324 Dallas, TX 800-653-6224 Indianapolis, IN 800-735-6224 Jackson, MS 800-622-4136 Lubbock, TX 800-758-6224 Memphis, TN 800-206-6224 Oklahoma City, OK 800-597-6224 Omaha, NE 800-458-6224 Phoenix, AZ 888-533-6224 Richmond, VA 800-729-6224 Rome, NY 800-559-6224 Salt Lake City, UT 800-874-2404 San Antonio, TX 800-598-6224 ROOFING SYSTEM FEATURES AND BENEFITS 1. DESIGN INTEGRITY MBCI’s Double-Lok® mechanically seamed system begins and ends in the high, reducing the risk of leakage at the rake that can occur...
Open the catalog to page 4
Houston, TX 877-713-6224 Adel, GA 888-446-6224 Atlanta, GA 877-512-6224 Atwater, CA 800-829-9324 Dallas, TX 800-653-6224 Indianapolis, IN 800-735-6224 Jackson, MS 800-622-4136 Lubbock, TX 800-758-6224 Memphis, TN 800-206-6224 Oklahoma City, OK 800-597-6224 Omaha, NE 800-458-6224 Phoenix, AZ 888-533-6224 Richmond, VA 800-729-6224 Rome, NY 800-559-6224 Salt Lake City, UT 800-874-2404 San Antonio, TX 800-598-6224 ENGINEERING CAUTION Application and design details are for illustration purposes only, and may not be appropriate for all environmental conditions or building designs. Projects should be...
Open the catalog to page 5
Houston, TX 877-713-6224 Adel, GA 888-446-6224 Atlanta, GA 877-512-6224 Atwater, CA 800-829-9324 Dallas, TX 800-653-6224 Indianapolis, IN 800-735-6224 Jackson, MS 800-622-4136 Lubbock, TX 800-758-6224 Memphis, TN 800-206-6224 Oklahoma City, OK 800-597-6224 Omaha, NE 800-458-6224 Phoenix, AZ 888-533-6224 Richmond, VA 800-729-6224 Rome, NY 800-559-6224 Salt Lake City, UT 800-874-2404 San Antonio, TX 800-598-6224 ENGINEERING Construction Panel Number Width (In.) 165 24 180C 24 Gauge 24 min. Clip Type Sliding Substrate Open Framing UL-2218 Impact Resistance Class 4 UL-263 Fire Rating Class A UL-580...
Open the catalog to page 6
Houston, TX 877-713-6224 Adel, GA 888-446-6224 Atlanta, GA 877-512-6224 Atwater, CA 800-829-9324 Dallas, TX 800-653-6224 Indianapolis, IN 800-735-6224 Jackson, MS 800-622-4136 Lubbock, TX 800-758-6224 Memphis, TN 800-206-6224 Oklahoma City, OK 800-597-6224 Omaha, NE 800-458-6224 Phoenix, AZ 888-533-6224 Richmond, VA 800-729-6224 Rome, NY 800-559-6224 Salt Lake City, UT 800-874-2404 San Antonio, TX 800-598-6224 ENGINEERING Double-Lok® PANEL 24" Coverage 24" 3" 19 ³⁄₈ " SECTION PROPERTIES NEGATIVE BENDING POSITIVE BENDING PANEL GAUGE Fy (KSI) WEIGHT (PSF) Ixe (IN.4/FT.) Sxe (IN.3/FT.) Maxo (KIP-IN.)...
Open the catalog to page 7
Houston, TX 877-713-6224 Adel, GA 888-446-6224 Atlanta, GA 877-512-6224 Atwater, CA 800-829-9324 Dallas, TX 800-653-6224 Indianapolis, IN 800-735-6224 Jackson, MS 800-622-4136 Lubbock, TX 800-758-6224 Memphis, TN 800-206-6224 Oklahoma City, OK 800-597-6224 Omaha, NE 800-458-6224 Phoenix, AZ 888-533-6224 Richmond, VA 800-729-6224 Rome, NY 800-559-6224 Salt Lake City, UT 800-874-2404 San Antonio, TX 800-598-6224 ENGINEERING Double-Lok® PANEL 24" Coverage 24" 3" 19 ³⁄₈ " ALLOWABLE UNIFORM LOADS IN POUNDS PER SQUARE FOOT 24 Gauge (Fy = 50 KSI) SPAN IN FEET SPAN TYPE LOAD TYPE 2.5 3.0 3.5 4.0 4.5...
Open the catalog to page 8
Houston, TX 877-713-6224 Adel, GA 888-446-6224 Atlanta, GA 877-512-6224 Atwater, CA 800-829-9324 Dallas, TX 800-653-6224 Indianapolis, IN 800-735-6224 Jackson, MS 800-622-4136 Lubbock, TX 800-758-6224 Memphis, TN 800-206-6224 Oklahoma City, OK 800-597-6224 Omaha, NE 800-458-6224 Phoenix, AZ 888-533-6224 Richmond, VA 800-729-6224 Rome, NY 800-559-6224 Salt Lake City, UT 800-874-2404 San Antonio, TX 800-598-6224 ENGINEERING Double-Lok® PANEL 18" Coverage 18" 3" 13 ³⁄₈ " SECTION PROPERTIES NEGATIVE BENDING POSITIVE BENDING PANEL GAUGE Fy (KSI) WEIGHT (PSF) Ixe (IN.4/FT.) Sxe (IN.3/FT.) Maxo (KIP-IN.)...
Open the catalog to page 9
Houston, TX 877-713-6224 Adel, GA 888-446-6224 Atlanta, GA 877-512-6224 Atwater, CA 800-829-9324 Dallas, TX 800-653-6224 Indianapolis, IN 800-735-6224 ENGINEERING Jackson, MS 800-622-4136 Lubbock, TX 800-758-6224 Memphis, TN 800-206-6224 Oklahoma City, OK 800-597-6224 Omaha, NE 800-458-6224 Phoenix, AZ 888-533-6224 Richmond, VA 800-729-6224 Rome, NY 800-559-6224 Salt Lake City, UT 800-874-2404 San Antonio, TX 800-598-6224 Double-Lok® PANEL 18" Coverage 18" 3" 13 ³⁄₈ " ALLOWABLE UNIFORM LOADS IN POUNDS PER SQUARE FOOT 24 Gauge (Fy = 50 KSI) SPAN IN FEET SPAN TYPE LOAD TYPE 2.5 3.0 3.5 4.0 4.5...
Open the catalog to page 10
Houston, TX 877-713-6224 Adel, GA 888-446-6224 Atlanta, GA 877-512-6224 Atwater, CA 800-829-9324 Dallas, TX 800-653-6224 Indianapolis, IN 800-735-6224 Jackson, MS 800-622-4136 Lubbock, TX 800-758-6224 Memphis, TN 800-206-6224 Oklahoma City, OK 800-597-6224 Omaha, NE 800-458-6224 Phoenix, AZ 888-533-6224 Richmond, VA 800-729-6224 Rome, NY 800-559-6224 Salt Lake City, UT 800-874-2404 San Antonio, TX 800-598-6224 ENGINEERING Double-Lok® PANEL 12" Coverage 12" 3" 7 ³⁄₈" SECTION PROPERTIES NEGATIVE BENDING POSITIVE BENDING PANEL GAUGE Fy (KSI) WEIGHT (PSF) Ixe (IN.4/FT.) Sxe (IN.3/FT.) Maxo (KIP-IN.)...
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